Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hakodate in June. Check more long-term weather averages for Hakodate in June before you book your next holiday to Japan in 2018.

Guide to Hakodate weather in June

The average maximum daytime temperature in Hakodate in June is a comfortable 20°C (68°F). The average night-time temperature is usually a cool 12°C (54°F). There are usually 6 hours of bright sunshine each day, which represents 38% of the 15 hours of daylight.

Expect 84mm (3.3 inches) of rainfall across the whole of June with 16 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The average sea temperature in and around Hakodate in June is 14°C (57°F).